Home / 4,668.90-7,003.55-2,172.43

Finding the Fourth Proportional to 4,668.90, 7,003.55 and 2,172.43

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Solution

The fourth proportional to 4,668.90, 7,003.55 and 2,172.43 is: 3,258.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,668.90 : 7,003.55 = 2,172.43 : x
  2. Step 2: Convert to fraction form
    4,668.90/7,003.55 = 2,172.43/x
  3. Step 3: Cross multiply
    4,668.90x = 7,003.55 × 2,172.43
  4. Step 4: Simplify right side
    4,668.90x = 15,214,722.13
  5. Step 5: Solve for x
    x = 15,214,722.13/4,668.90
  6. Step 6: Final answer
    x = 3,258.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.